<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Document</title>
    <style>
        nav{
            height: 900px;
            background-image: url(https://timgsa.baidu.com/timg?image&quality=80&size=b9999_10000&sec=1492517141576&di=16f9a1fb725c3cd34772683c7daf7c1f&imgtype=0&src=http%3A%2F%2Fimgsrc.baidu.com%2Fforum%2Fw%253D580%253Bcp%253Dtieba%252C10%252C376%253Bap%253D%25C0%25F8%25D6%25BE%25B0%25C9%252C90%252C384%2Fsign%3D2e39d6ce442309f7e76fad1a42356f83%2Fb6dfbda1cd11728b26634f78cafcc3cec2fd2c79.jpg);
            background-size: 100% 100%;
        }
        #header::after {
           content: '';
           display: block;
           height: 0;
           visibility: hidden;
           clear: both;
        }
        #header div:nth-child(1){
            width: 400px;
            height: 300px;
            /*background-color: blue;*/
            float: left;
            border-radius: 50%;
        }
        #header div:nth-child(2){
            width: 300px;
            height: 300px;
            /*background-color: yellow;*/
            float: right;
        }
        #LXX{
            width: 300px;
            height: 500px;
            /*background-color: pink;*/
            margin: 0 auto;
        }
         #LXX h1{
            padding: 0px 110px;
            font-size: 100px;
            margin-top: 0px;
            color: red;
            
        }
        #header h1{
            font-size: 150px;
            color: yellow;
            padding: 0px 60px;
            margin-top: 0px;
            margin-left: 0px;
        }
        
        #diaosi{
            float: right;
        }
        h2{
            font-size: 50px;
            color: blue;
            margin-right: 50px;
        }
    </style>
</head>
<body>
    <nav>
        <div id="header">
            <div>
                <h1>单纯</h1>
            </div>
            <div>
                <h1>可爱</h1>
            </div>
        </div>
        <div id="LXX">
            <h1>劉想想</h1>
        </div>
        
        <div>
            <div id="diaosi">
                <h2>做个开开心心的好屌丝就好~.~</h2>
            </div>
            <div></div>
        </div>

    </nav>
</body>
</html>